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Contents
require "fileutils"
require "json"
require "pathname"
module Eddy
module Data
module Persistence
# Persist data to a local JSON file.
class File < Memory
# @return [void]
def initialize()
if path.file?
self.read()
else
super()
end
end
# Renturn a [Pathname](https://ruby-doc.org/stdlib-2.5.0/libdoc/pathname/rdoc/Pathname.html) to the JSON file used for storage.
#
# See:
#
# - [FileTest](https://ruby-doc.org/core-2.5.0/FileTest.html#method-i-file-3F)
#
# @return [Pathname]
def path()
file = File.join(Eddy.config.tmp_dir, "eddy_persistent_data.json")
# FileUtils.mkdir_p(File.dirname(file))
return Pathname.new(file)
end
# Read the JSON file into `@data`.
#
# @return [void]
def read()
@data = JSON.parse(File.read(self.path()), symbolize_names: symbolize)
end
# Write `@data` out to the JSON file. This will overwrite the file's contents.
#
# @return [void]
def write()
File.open(self.path(), "w") { |f| f.write(@data.to_json) }
end
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems